Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Onchocephalus

Trilobita - Ptychopariida - Antagmidae

Taxonomy
Onchocephalus was named by Resser (1937) [Sepkoski's age data: Cm Tojo-l Cm lMid Sepkoski's reference number: 16,81].

It was assigned to Ptychopariida by Sepkoski (2002); and to Antagmidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1937Onchocephalus Resser
2002Onchocephalus Sepkoski, Jr.
2003Onchocephalus Jell and Adrain p. 414

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyAntagmidaeHupé 1953
genusOnchocephalusResser 1937

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available